Solar lamp



FIG. 1 is a first perspective view of a solar lamp showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the solar lamp which form no part of the claimed design. The diagonal lines indicate transparency. 

CLAIM The ornamental design for a solar lamp, as shown and described. 